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06/02/20

Rectangular problem

A rectangular room is 2 times as long as it is wide, and it’s perimeter is 36 meters. Find the dimension of the room

05/29/20

In the United States, a survey of 10,000 children found that 5932 played a video game in the last 12 months. Identify the population and the sample.

In the United States, a survey of 10,000 children found that 5932 played a video game in the last 12 months. Identify the population and the sample. (ONLY ONE IS AVAILABLE FOR POPULATION AND... more

05/28/20

Help me wit this pls

Pam drew a scale drawing of a game room. She used the scale 1 inch:2 feet. If the air hockey table is 6 inches in the drawing, how long is the actual air hockey table?

05/28/20

Standard Deviation Day 2

The mean for your data set is 24. The standard deviation is 4.2. What is the z-score for 18? Note 1: If necessary, round your answer to 3 decimal places (3 digits to the right of the decimal point).

05/28/20

Standard Deviation Day 2

The mean for your data set is 13. The standard deviation is 2.5. What is the z-score for 10? Note 1: If necessary, round your answer to 3 decimal places (3 digits to the right of the decimal point).

05/28/20

I can’t seem to solve (fogof)(x) given f(x)= -3x^2+1 and g(x)=5/x-4

I know how to do (fog)(x) but this next level is tough and my teacher makes it sound confusing

05/22/20

Algebraically solve the following inequality

Using factor theorem and synthetic division, algebraically solve the following inequality. Please include an Interval table.x3+4>3x2

05/22/20

Use synthetic division to evaluate the function for the indicated value of x

F(x)=-5x+26x;x=5

05/21/20

Correct the error then solve

(x3 - 8x + 2) + (3x3 + 7x + 6) x3 - 8x + 2 + 3x3 + 7x + 6 (x3 + 3x3) - (8x + 7x) + (2 + 6) 4x3 - 15 + 8

05/21/20

Find the cost of one ft2 of grass sod and the cost of one bunch of ornamental grass. 

Aliyah and Rob each improved their yards by planting grass sod and ornamental grass. They bought their supplies from the same store. Aliyah spent $74 on 4 ft2 of grass sod and 6 bunches of... more

05/19/20

If y=3x^3+x^2-5 and z=x^2-12 which polynomial is equivalent to 2(y+z)?

1.6x^3+4x^2-342.6x^3+3x^2-173.6x^3+3x^2-224.6x^3+2x^2-17

volume and surface area of prisms, cylinders, and cones

A farmer wants to buy a new water tank since he needs more water for his farm. His existing tank is a right circular cylinder which is 6 m high and 10 m wide. He was given two choices with the same... more

05/19/20

Related Rates Calculus

A man is running over a bridge at a rate of 20 ft/sec while a boat passes under the bridge and immediately below him at a rate of 10ft/sec/ The boat's course is at right angles to the man's and is... more

05/14/20

the sugar-sweet company will choose from two companies to transport its sugar to the market.

the first company charges $5495 to rent trucks plus an additialfee of $200.75 for each ton of sugar. The second company charged $7500 to rent trucks plus an additional fee of $100.50for ech ton of... more

05/14/20

i don't understand

In 2010, the population of Australia was 22,300,000 million. By 2017, the population had increased by %.  The land area of Australia is  mi^2. What was the population density of Australia in 2017?... more

Simplify: 3+i/-3+i

05/13/20

Need help on a question

The value, V, in dollars, of a shopkeeper's inventory software program is given by V=-50t+200, where t is the number of years since the shopkeeper first bought theprogram.a) Solve for t in terms of... more

05/13/20

Give an example of a trinomial for which one of the factors is 7x-5. Explain how you found the trinomial.

Can someone give me an example and work? I am not 100 percent sure how to make my own so I need some help.

05/13/20

What is the cost each of one apple pie and one pumpkin pie?

Mark and Ming are selling pies for a school fundraiser. Customers can buy apple pies and pumpkin pies. Mark sold 5 apple pies and 12 pumpkin pies for a total of $205. Ming sold 2 apple pies and 1... more

05/13/20

What are the cost of one hosta and the cost of one shrub?

James and Trevon each improved their yards by planting hostas and shrubs. They bought their supplies from the same store. James spent $29 on 12 hostas and 1 shrub. Trevon spent $39 on 2 hostas and... more
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